ARM64: Enable shorten-64-to-32 warning

src/base/bits.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_BASE_BITS_H_
 #define V8_BASE_BITS_H_
 
 #include <stdint.h>
 #include "src/base/macros.h"
 #if V8_CC_MSVC
@@ skipping 26 matching lines @@
 inline unsigned CountPopulation64(uint64_t value) {
 #if V8_HAS_BUILTIN_POPCOUNT
   return __builtin_popcountll(value);
 #else
   return CountPopulation32(static_cast<uint32_t>(value)) +
          CountPopulation32(static_cast<uint32_t>(value >> 32));
 #endif
 }
 
 
+// Overloaded versions of CountPopulation32/64.
+inline unsigned CountPopulation(uint32_t value) {
+  return CountPopulation32(value);
+}
+
+
+inline unsigned CountPopulation(uint64_t value) {
+  return CountPopulation64(value);
+}
+
+
 // CountLeadingZeros32(value) returns the number of zero bits following the most
 // significant 1 bit in |value| if |value| is non-zero, otherwise it returns 32.
 inline unsigned CountLeadingZeros32(uint32_t value) {
 #if V8_HAS_BUILTIN_CLZ
   return value ? __builtin_clz(value) : 32;
 #elif V8_CC_MSVC
   unsigned long result;  // NOLINT(runtime/int)
   if (!_BitScanReverse(&result, value)) return 32;
   return static_cast<unsigned>(31 - result);
 #else
@@ skipping 179 matching lines @@
 // truncated to uint32. If |rhs| is zero, then zero is returned.
 inline uint32_t UnsignedMod32(uint32_t lhs, uint32_t rhs) {
   return rhs ? lhs % rhs : 0u;
 }
 
 }  // namespace bits
 }  // namespace base
 }  // namespace v8
 
 #endif  // V8_BASE_BITS_H_